# Amazon Ads API vs X Ads API (slim)

> Amazon Ads scores 59 (C) to X Ads's 57.3 (C) for ad reporting. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/amazon-ads-api-vs-x-ads.md (~2,300 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/amazon-ads-api-vs-x-ads.json · canonical https://www.anchorterminal.com/compare/amazon-ads-api-vs-x-ads
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Amazon Ads API scores 59 (C) on agent readiness against X Ads API's 57.3 (C), and leads in 5 of 7 scored categories. X Ads API leads on reliability. Both do ad reporting.

- Amazon Ads API: C 59, rank #563 of 950 · https://www.anchorterminal.com/tools/amazon-ads-api.min.md
- X Ads API: C 57.3, rank #616 of 950 · https://www.anchorterminal.com/tools/x-ads.min.md
- Amazon Ads API, good for Agents managing sponsored ads and Amazon DSP for an advertiser or agency that already has API approval, and teams that want a vendor-run MCP server. Ahead on Schema & documentation, 76 against 64; Security & auth, 60 against 48; Payments & pricing, 40 against 20; Transparency & trust, 73 against 62.
- X Ads API, good for An agent that manages or reports on X campaigns for an advertiser with an approved developer app, especially through the MCP server, where scopes separate reads from writes and writes start paused. Ahead on Reliability, 75 against 45.

| Category | Amazon Ads API | X Ads API |
| --- | --- | --- |
| Reliability (16%) | 45 | 75 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 76 | 64 |
| Agent ergonomics (13%) | 62 | 62 |
| Security & auth (14%) | 60 | 48 |
| Payments & pricing (10%) | 40 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 65 | 63 |
| Transparency & trust (7%) | 73 | 62 |

| Fact (where they differ) | Amazon Ads API | X Ads API |
| --- | --- | --- |
| Vendor | Amazon | X Corp. |
| Hosted endpoint | `https://advertising-api.amazon.com` | `https://ads-api.x.com/mcp` |
| Licence | Proprietary service under the Amazon Advertising API Licence Agreement. The Postman collections and samples in amzn/ads-advanced-tools-docs are MIT-0 | Proprietary service under the X Developer Agreement and its incorporated Developer Policy |
| Read-only variant documented | no | yes |
| llms.txt | no | yes |
| Last release | 2026-10-05 | 2026-09-17 |
| Terms last updated | couldn't be read | 2026-04-27 |
| Privacy policy last updated | 2026-06-30 | couldn't be read |
| Customer content may train models | yes | not found in the text |
| Terms restrict automated access | couldn't be read | not found in the text |
| Terms restrict benchmarking | couldn't be read | yes |
| Terms or service can change without notice | couldn't be read | not found in the text |
| Arbitration or class-action waiver | couldn't be read | yes |